| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:58:34 |
| WDS: | A1993 | WDS ID/Discoverer |
| P: | 142.610 | Orbital period (years) |
| a: | 0.423 | Semi-major axis (arcseconds) |
| i: | 49.6 | Inclination (degrees) |
| Ω: | 177.3 | Longitude of ascending node (degrees) |
| T: | 2009.780 | Epoch of periastron passage (year) |
| e: | 0.655 | Eccentricity |
| ω: | 80.8 | Longitude of periastron (degrees) |
| Start-Year: | 1954.0 | Year |
| End-Year: | 2096.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 102843.86+455751.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 10287+4558 | WDS designation |
| Discoverer Code: | A1993 | Discover designation and components |
| ADS number: | 7785 | Aitken Double Star catalog |
| HD number: | 90619 | HD catalog number |
| Hipparcos number: | 51301 | Hipparcos catalog number |
| V1: | 9.25 | Magnitude of the primary |
| V2: | 10.22 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1997 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.339 9.8 ------------------------- 1954.0 0.439 90.2 1955.0 0.437 91.3 1956.0 0.435 92.5 1957.0 0.433 93.7 1958.0 0.431 94.9 1959.0 0.429 96.0 1960.0 0.427 97.3 1961.0 0.426 98.5 1962.0 0.424 99.7 1963.0 0.421 100.9 1964.0 0.419 102.2 1965.0 0.417 103.4 1966.0 0.415 104.7 1967.0 0.413 106.0 1968.0 0.411 107.3 1969.0 0.408 108.6 1970.0 0.406 110.0 1971.0 0.404 111.3 1972.0 0.401 112.7 1973.0 0.399 114.1 1974.0 0.396 115.5 1975.0 0.393 116.9 1976.0 0.391 118.3 1977.0 0.388 119.8 1978.0 0.385 121.3 1979.0 0.382 122.8 1980.0 0.379 124.3 1981.0 0.376 125.9 1982.0 0.372 127.4 1983.0 0.369 129.1 1984.0 0.365 130.7 1985.0 0.361 132.4 1986.0 0.357 134.1 1987.0 0.353 135.9 1988.0 0.348 137.7 1989.0 0.343 139.5 1990.0 0.338 141.4 1991.0 0.333 143.4 1992.0 0.327 145.4 1993.0 0.321 147.5 1994.0 0.314 149.7 1995.0 0.307 152.0 1996.0 0.299 154.4 1997.0 0.290 157.0 1998.0 0.281 159.7 1999.0 0.271 162.6 2000.0 0.260 165.7 2001.0 0.247 169.2 2002.0 0.234 173.0 2003.0 0.219 177.3 2004.0 0.202 182.3 2005.0 0.183 188.3 2006.0 0.163 195.7 2007.0 0.142 205.3 2008.0 0.121 218.2 2009.0 0.104 235.9 2010.0 0.095 258.6 2011.0 0.099 282.6 2012.0 0.113 302.7 2013.0 0.133 317.5 2014.0 0.156 328.1 2015.0 0.179 336.0 2016.0 0.200 342.2 2017.0 0.221 347.2 2018.0 0.240 351.3 2019.0 0.258 354.9 2020.0 0.274 358.1 2021.0 0.289 0.9 2022.0 0.303 3.4 2023.0 0.316 5.7 2024.0 0.328 7.8 2025.0 0.339 9.8 2026.0 0.349 11.7 2027.0 0.358 13.5 2028.0 0.367 15.2 2029.0 0.376 16.8 2030.0 0.383 18.3 2031.0 0.391 19.8 2032.0 0.397 21.2 2033.0 0.404 22.6 2034.0 0.410 23.9 2035.0 0.415 25.2 2036.0 0.420 26.5 2037.0 0.425 27.7 2038.0 0.430 28.9 2039.0 0.434 30.1 2040.0 0.438 31.3 2041.0 0.441 32.4 2042.0 0.445 33.5 2043.0 0.448 34.7 2044.0 0.451 35.8 2045.0 0.453 36.8 2046.0 0.456 37.9 2047.0 0.458 39.0 2048.0 0.460 40.0 2049.0 0.462 41.1 2050.0 0.464 42.1 2051.0 0.465 43.1 2052.0 0.467 44.1 2053.0 0.468 45.2 2054.0 0.469 46.2 2055.0 0.470 47.2 2056.0 0.471 48.2 2057.0 0.471 49.2 2058.0 0.472 50.2 2059.0 0.473 51.2 2060.0 0.473 52.1 2061.0 0.473 53.1 2062.0 0.473 54.1 2063.0 0.473 55.1 2064.0 0.473 56.1 2065.0 0.473 57.1 2066.0 0.473 58.1 2067.0 0.473 59.1 2068.0 0.472 60.0 2069.0 0.472 61.0 2070.0 0.471 62.0 2071.0 0.471 63.0 2072.0 0.470 64.0 2073.0 0.470 65.0 2074.0 0.469 66.0 2075.0 0.468 67.0 2076.0 0.467 68.1 2077.0 0.466 69.1 2078.0 0.465 70.1 2079.0 0.464 71.1 2080.0 0.463 72.1 2081.0 0.462 73.2 2082.0 0.461 74.2 2083.0 0.459 75.3 2084.0 0.458 76.3 2085.0 0.457 77.4 2086.0 0.455 78.4 2087.0 0.454 79.5 2088.0 0.452 80.6 2089.0 0.451 81.7 2090.0 0.449 82.8 2091.0 0.448 83.9 2092.0 0.446 85.0 2093.0 0.445 86.1 2094.0 0.443 87.2 2095.0 0.441 88.3